Selection Of Drill Pipes Tool Joints

The Major Factors That To Be Considered While The Selection Of Tool Joints

• Outside diameter 
• Inside diameter
• Tensile 
• Torsional ratings
• Cost

Simple Tips To Be Considered While Tool Joint Selection:

1. Tool joints with large OD and small ID will result in high pressure losses inside and outside the Drill Pipe. 
2. Large OD tool joints have better wear characteristics. 
3. The OD of the tool joint should be small enough to facilitate fishing the tool joint with standard fishing tools. 
4. One rule of thumb in the selection of tool joints is that when all other factors are equal the larger the tool joint, the better it will perform.